Sensors play a crucial role in embedded systems by enabling real-time data collection from the physical environment. These systems often interact with the external world, and sensors serve as the primary interface for this interaction. Common types of sensors used include temperature sensors, motion detectors, pressure sensors, light sensors, and proximity sensors. These devices convert physical quantities into electrical signals, which the embedded system then processes to make decisions or trigger specific actions.
For example, in an automotive embedded system, sensors monitor engine temperature, airbag pressure, or vehicle speed to ensure safety and performance. In home automation, light sensors control smart lighting based on ambient brightness, while motion sensors help detect intruders or automate room utilities. Embedded systems are typically built around microcontrollers or microprocessors that read sensor data through ADCs (Analog-to-Digital Converters) and process it using programmed logic.
The integration of sensors with embedded systems enhances automation, precision, and responsiveness in sectors like healthcare, industrial control, robotics, and consumer electronics. Understanding how sensors interact with embedded systems is fundamental for designing intelligent, responsive devices.
To learn practical applications of sensor integration, consider exploring an Embedded Systems Course.
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